Cyanate ester resin has lower dielectric loss factor,low and stable dielectric constant.
氰酸酯树脂具有较低的介质损耗因数和低而稳定的介电常数,使用频带宽,力学性能好,吸水率低,是新一代航空航天雷达天线罩理想的基体材料。
Then signification and definition of dielectric loss factor-tanδ is analyzed under harmonics exist.
首先概述了过零点电压比较法、谐波分析法等几种现有的介质损耗因数tanδ数字化测量算法的优缺点,分析tanδ的物理意义及其谐波条件下的定义问题。
An analysis has been made in this paper on the effect of space disturbance upon capacitive bushing dielectric loss factor tanδ measurement,which appears to be smaller value than the normal,sometimes even to be a negative value,in site test.
空间干扰对现场试验中出现的电容式套管介质损耗因数tanδ可造成影响,使其偏小甚至出现负值。
At 220 kV CVT of Line Gunan, both capacity and dielectric dissipation factor are valuably measured.
论述了通过合理接线实现不拆高压引线测量220kV电容式电压互感器(CVT)的原理和方法,实测固南线CVT的电容量及介质损耗因数,其试验数据与拆高压引线测量的数据进行对比,证明该法准确、高效、切实可行。
Through theoretical and practical analyses on dielectric dissipation factor measuring methods of capacitive current transformer with positive and negative connecting modes, the authors propose an onsite measuring method, which can diminish the working strength and enhance the working efficiency.
通过对正、反两种接线方法对电容型电流互感器的绝缘介质损耗因数的测量理论与实践分析,提出在实际测量中减少工作量、提高工作效率的测量方法。
Dielectric dissipation factor (tanδ) is a key parameter in capacitive power equipment insulation on-line monitoring, which can reflect the insulation station of the capacitive equipments such as Bush and CT.
介质损耗因数(tanδ)是绝缘在线监测的一个重要参数,它能很好地反映电容型设备的绝缘状况。
Analysis of volume resistivity tests and dissipation factor tests for insulating oil;
关于绝缘油体积电阻率试验和介质损耗因数试验的分析
Discussion on standard of dissipation factor of film and paper capacitor;
膜纸复合绝缘电容器介质损耗因数的标准讨论
Development of a Dissipation Factor Measuring System Using Variable Frequency Series Resonant Voltage;
调频串联谐振装置用介质损耗因数测量系统研制
Method for measuring grain moisture content based on dielectric loss tangent;
基于介质损耗因数的粮食水分测量方法
The principle of on-line monitoring on dielectric loss tangent of capacitive equipment is introduced as well as the source of high-frequency pulse and random signals which affect the measurement result.
介绍了容性设备介质损耗因数在线监测的基本原理,介绍了高频脉冲信号和随机信号的来源及其对测量结果影响。
high voltage capacitive-type equipment plays a very important role in power systems, and dielectric loss tangent (tan5) is an important paramete.
高压电容型设备在变电站中占有相当大的比例，而介质损耗因数(tan δ)是反映其绝缘状况的重要参数。
This article analysed the affection from the environment humidity, disturbance of intense voltage, linking mode etc on measurement result on the bases of spot fact condition, and the method to decrease or weaken the disturbance factor, which can cause the exact measurement on medium wasting factor tgδ and improve the veracity of.
介质损耗因数tgδ往往受气候条件或环境因素的影响,若忽视这些影响将会使测量结果出现偏差,从而造成误判断。
Research and Realization of Dielectric Loss Factor On-line Monitoring;
介质损耗因数在线检测的研究与实现
Research on On-Line Monitoring for Dielectric Loss of Capacitive Equipment;
电容型设备介质损耗因数在线监测研究
The Study on the On-line Dielectric Loss Tangent Monitoring Technique of Capacitive-Type Equipment;
电容型设备介质损耗因数在线检测技术的研究
Dielectric Loss Factor Measurement Based on Kaiser Window Spectral Correction
基于Kaiser窗频谱校正的介质损耗因数测量
Research on On-line Monitoring Data Analysis and Insulation Diagnosis of Dielectric Loss Factor;
介质损耗因数在线监测数据分析与绝缘诊断的研究
Experimental Research on Environmental Influence on tanδ of Capacitive Equipment
环境因素对电容型设备介质损耗因数影响规律的试验研究
The Development of a Dissipation Factor Measurement System Based on the Quasi-Synchronous Caculation Method;
基于准同步算法的介质损耗因数测量系统的研制
Development of a Dissipation Factor Measuring System Using Variable Frequency Series Resonant Voltage;
调频串联谐振装置用介质损耗因数测量系统研制
Modified Method on Dielectric Loss Factor of Capacitive Equipment Based on Support Vector Machine and Genetic Algorithm
采用支持向量机和遗传算法的电容型设备介质损耗因数修正方法
" Measurement of relative permittivity, dielectric dissipation factor at power frequency and volume resistivity of insulating liquids"
GB/T5654-1985液体绝缘材料工频相对介电常数、介质损耗因数和体积电阻率的测量
Dielectric Loss Factor(tgδ) of the Test and Improvement of the Resistant Electric Bridge
介质耗损因数tgδ的西林电桥测试法及其改进
Dielectricloss factor measurement based on correlation analysis
基于相关分析法的介质损耗因素测量
high-frequency dielectric loss measuring instrument
高频电介质损耗测量仪
The Design and Research of the Digital Device of Dielectric Loss Measurement Based on DSP;
基于DSP的数字式介质损耗测量仪的研究与设计
The Research and Development on the Measuring of Dielectric Loss Meter Based on dsSPIC;
基于dsPIC的数字式介质损耗测量仪的研究与开发
A Digital Filter Based on the Integral Dielectric Loss Factor Measurement Algorithm
基于数字滤波的介质损耗测量积分算法
Vulcanized rubber--Determination for industrial frequency dielectric constant and dielectric loss angular tangent value
GB/T1693-1981硫化橡胶工频介电常数和介质损耗角正切值的测定方法
Vulcanized rubber--Test method for HF dielectric constant and dielectric loss angular tangent value
GB/T1694-1981硫化橡胶高频介电常数和介质损耗角正切值的测定方法